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(2018 CH2)
Classification: Apollo [NEO]          SPK-ID: 3799274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5348132635331001 3.0232e-05  
a 2.073278256006411 0.00029741 au
q .9644615456994081 7.5672e-05 au
i 5.473052636147206 0.0051951 deg
node 324.2032864602151 0.0064075 deg
peri 202.3360571001249 0.032667 deg
M 40.59736330624335 0.3003 deg
tp 2459273.535388013757
(2021-Feb-28.03538801)
0.93603 TDB
period 1090.397422638526
2.99
0.23463
0.0006424
d
yr
n .3301548522820952 7.1041e-05 deg/d
Q 3.182094966313413 0.00045647 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5 days  
   first obs. used      2018-02-08  
   last obs. used      2018-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .58988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:22:01  

Additional Information
 Earth MOID = .00198128 au 
 Jupiter MOID = 1.80862 au 
 T_jup = 3.572 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.0   n/a MPO435639  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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